Form of Share Restriction Agreement, by and between Benjamin Steiner and Steinway Musical Instruments Holdings, Inc., to be effective prior to the closing of this offering

50% of the Restricted Shares, meaning [                ] Restricted Shares, shall vest on April 30, 2023; and

the remaining 50% of the Restricted Shares, meaning [                ] Restricted Shares, shall vest on April 30, 2024.

Following vesting, a Restricted Share shall no longer be subject to any of the restrictions provided in this Agreement.

If the employment of the Restricted Shareholder with the Company or any subsidiary or affiliate thereof is terminated by the Company or such subsidiary or affiliate without Cause (as defined below) or due to the death or Disability (as defined below) of the Restricted Shareholder, then the Restricted Shareholder (or, if applicable, the Restricted Shareholder’s estate) shall be entitled to retain (i) the then currently vested Restricted Shares, plus (ii) such additional pro rata portion of the Restricted Shares equal to the product of (A) [                ]¹ Restricted Shares and (B) the ratio of (x) the number of days elapsed during the period beginning on May 1 of the applicable vesting year and ending on

To be equal to the number of Restricted Shares that vest each year (i.e., 50% of total Restricted Shares).

If the employment of the Restricted Shareholder with the Company or any subsidiary or affiliate thereof is terminated either by the Company or such subsidiary or affiliate with Cause (as defined below) or by the Restricted Stockholder for any reason (other than due to death or Disability), then the Restricted Stockholder shall be entitled to retain the then currently vested Restricted Shares only. For clarity, any non-vested portion of the Restricted Shares as of the date of such termination shall be forfeited, automatically and without the need for any action on the part of any party, upon such termination by the Company with Cause or by the Restricted Shareholder for any reason.

The Restricted Shareholder hereby acknowledges and agrees that no amounts were payable in respect of the Restricted Stockholder’s Series B1 Membership Interest in Paulson Pianissimo prior to the Effective Date and all obligations of Paulson Pianissimo to the Restricted Stockholder, whether pursuant to its Operating Agreement dated July 19, 2021 or otherwise, have been satisfied in full by the distribution of the Restricted Shares, additional unrestricted shares of Common Stock, and other good and valuable consideration, the receipt and sufficiency of which is hereby acknowledged, to the Restricted Shareholder, subject to the terms, conditions and restrictions set forth in this Agreement.

The Restricted Shareholder hereby acknowledges and agrees that this Agreement and any obligations of the Company under this Agreement, shall be subject to all applicable U.S. federal, state and local laws, rules and regulations, all applicable non-U.S. laws, rules and regulations and to such approvals by any regulatory or governmental agency as may be required. The Restricted Shareholder agrees to take all steps that the Company determines are reasonably necessary to comply with all applicable provisions of U.S. federal and state securities law and non-U.S. securities law in exercising the Restricted Shareholder’s rights under this Agreement.

Any certificate or book-entry position representing an unvested Restricted Share will bear the following legend until the Restricted Share becomes vested, at which time such legend shall, without the need for any action on the part of the Restricted Shareholder, be removed:

For purposes of this Agreement, “Cause” means: (A) Restricted Stockholder’s commission of a felony or any crime involving dishonesty or theft; (B) conduct in connection with Restricted Stockholder’s employment duties or responsibilities that is fraudulent, unlawful or grossly negligent; (C) Restricted Stockholder’s willful misconduct; (D) Restricted

For purposes of this Agreement, “Disability” means Restricted Stockholder’s inability to perform the essential functions of his job as a result of physical or mental illness or injury for 90 days during any 180 day period.